×

INJECTION DEVICE

  • US 3,641,823 A
  • Filed: 04/10/1970
  • Issued: 02/15/1972
  • Est. Priority Date: 04/10/1970
  • Status: Expired due to Term
First Claim
Patent Images

1. Apparatus for receipt and injection of a liquid specimen in quantities as small as 10 2 to 10 6 milliliters with high accuracy and precision comprising the combination of a resilient tubular member and a reciprocable plunger, the forward end of which is adapted for receipt of a liquid specimen, which can be extended through the tubular opening of the said resilient tubular member into contact with the liquid to be sampled for receipt of a measured amount of the liquid specimen, and then withdrawn so that unmeasured liquid is wiped from the external surface of the forward end of the plunger.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×